Try Ebay. Use "staunton" in the search function to filter out all the goofy theme sets. Even if you don't buy on Ebay you will at least get a very quick lesson on the current chess market so you don't do something silly.

http://www.wholesalechess.com on Thursdays they have good specials. I recently purchased an official Chess.com hat, Chess.com t-shirt, Premium tournament (large pieces, heavy, very nice) which comes with a case, and a DGT Easy Timer for under $100 bucks. Great deal.

I can personally vouch for the integrity and reliablity of USCF (2nd link) and can also assure you that they rarely have the best prices regardless of what you're looking for. I'm pretty sure the other sites here are all reputable esp chesscafe.com but you can always look up ratings/reviews of each dealer using a search engine if you don't get enough feedback here.

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